when I browse to https://www.something.nl or https://www.something.nu first I see a warning about certificates and safety then I click continue to website and the server returns a error 500 ( internal server error )
when I browse to https://www.something.org first I see a warning about certificates and safety then I click continue to website and the server returns a error 404 ( page not found )

When I view the certificates it says: : "issued to localhost.localdomain" and "issued by localhost.localdomain"

In error.log "louwen.nu" there is nothing after June 17 ???
In error.log "louwen.org" there are a lot of errors but I can't see ( don't know ) wich is related to my problem.
In error.log "runningchef.nl" there are the following errors: